`timescale 1ns/1ns module comparator_4( input [3:0] A , input [3:0] B , output wire Y2 , //A>B output wire Y1 , //A=B output wire Y0 //A<B ); wire out0_xnor,out1_xnor,out2_xnor,out3_xnor,out0_not,out1_not,out2_not,out3_not, out0_...